The only race that starts off with a shirt now is Worgen Hunters, Warriors and Rogues who get Gilnean Adventurer's Shirt.All other race/class combos only start off with a chest piece, not a shirt.Prior to Cataclysm, most characters started off with a shirt, but these were removed in favor of chest pieces in patch 4.0.3.However, Thomas Yance in Old Hillsbrad Foothills still sells these shirts for bankers or RP purposes: